Apparatus for unloading vessels.



vNo. 881,446. PATENTED'MAR. 10, 190%! A. SCHWARTZ.

APPARATUS FOR UNLOADING VESSELS.

APPLICATION FILED JULY 27. 1907.

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Y No. 8814446. PATENTED MAR. 10, 1908.

a A. SCHWARTZ. APPARATUS FOR UNLOADING VBSSELS.

APPLICATION FILED JULY 27, 1907. 2 S E SH ET Z;

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THE rvoem's PEYERS can wnsnmanin'ra c UNTTED STATES PATENT FFTCE.

AARON SCHWARTZ, OF BOSTON, MASSACHUSETTS, ASSIGNOR TO AUTOMATIC RAPIDUNLOADING COMPANY, OF BOSTON, MASSACHUSETTS, A CORPORATION OF MASSA-GHUSETTS.

APPARATUS FOR UNLOADING VESSELS.

Specification of Letters Patent.

Patented March 10, 1908.

Application filed July 27, 1907. Serial No. 385,786.

citizen of the United States of America, and

a resident of Boston, in the county of Suffolk and State ofMassachusetts, have invented certain new and useful Improvements inApparatus for Unloading Vessels, of which the following is aspecification.

This invention relates to movable carriers for sand, coal, and similarmaterial and especially to such carriers as barges, scows, etc.

The special object of the present invention is to provide a ready meansof rapidly unloading the material from the barge or scow, dispensing asfar as possible with manual labor and the laborious lifting usuallyattending the unloading.

The invention consists in providinga carrier with a plurality of bins orhoppers each of which has its discharge outlet provided with a valvesuch as a reciprocating plate provided with openings extendingtherethrough which is reciprocated by a revoluble member the operationofwhich is controlled by the operator through a suitable clutchmechanism, said revoluble member being provided with a means of stoppingthe reciprocation of said plate in a position to close the dischargeoutlet Whenever said reciprocating mechanism is released from the actionof the driving mechanism.

The invention further consists of certain novel features of constructionand arrangement of parts which will be readily understood by referenceto the description of the drawings and to the claims hereinafter given.

Of the drawings: Figure 1 represents a sec tional plan of a portion of ascow embodying the features of this-invention the cutting plane being online 1-1 on Fig. 2. Fig. 2

represents a vertical section through the same on line 2'-2 on Fig. 1.Fig. 3- represents an end view of the stopping mechanism. Fig. 4represents a side view thereof, and Fig. 5 represents a horizontalsection on line 55 on Fig. 3.

Similar characters designate like parts throughout the several figuresof the drawings.

In the drawings, 10 represents a scow of any well-known constructionprovided'with a plurality of bins or hoppers 11 preferably.

located in two parallel rows. At the discharge outlet of each of thehoppers is securediafislottedfplate 12 the slots in which are ofgreaterwidth at the top than at the bottom, as shown in Fig. 2. Betweensuitable guides 13 and said plate 12 is mounted a reciprocating slottedplate 14 the slots in which are of greater width at the bottom of saidplate than at the top. This formation of the inclined walls of saidslots causes a shearing action upon the material within the dischargeoutlet during the reciprocation of said plate 14 and the forcingdownwardly by the inclined walls. of the plate 14 of any material whichis passed through the slots of the plate 12. This shearing action occursduring the reciprocation of the plate '14 in each direction, thematerial passing through the discharge outlet being collected upon thebelt conveyer 15 mounted upon the rollers 16 by which the material iscarried to 'any desired point. Pivoted to one end of the reciprocatingplate 14 is a link 17 the opposite end of which is pivoted at 18 to therevoluble disk or member 19 which is freely revoluble upon the secondaryshaft 20 mounted in bearings 21 and driven by a gear 22 meshing with agear 23 mounted upon the driving shaft 24 inter osed between a pair ofsaid secondary sha ts 20 and serving to drive a plurality of such shaftson either side thereof throughout its length as indicated in Fig. 1.

Secured to each end of each secondary shaft 20 is a clutch member 25 andmounted upon and slidably keyed to the hub 26 of the revoluble member 19is a male clutch 27 which will transmit motion from the revolublesecondary shaft 20 to the revoluble member 19 when in engagement. Theengagement and disengagement of the clutch members 25 and 27 is effectedby means of the lever 28 pivoted at 29. It is obvious that as soon aseither one of the levers 28 is operated to cause the engagement of aclutch mechanism 25 or 27 the operation of one of the shafts 20 willcause its revoluble member 19 to reciprocate its plate 14 beneath itshopper 11 and cause a continuous opening and closing of the dischargeoutlet permitting the material to pass freely therethrough when in theposition shown at the left of Fig. 2, the reci rocation of said platecausing the materia to be cut through by'the inclined walls thereof andforced downwardly onto the conveyor belt. This reciprocation of theplate 14 continues as long as desired. Should the operator, however,desire to discontinue to discharge from any particular hopper heoperates its operating lever 28 to disconnect the clutch members 25 and27 which will disconnect the transmission of power to its revolublemember 19. In order, however, to insure that when the power is thus shutoff the reciprocating member 14 will stop in the closed position, asshown at the right of Fig. 2, the revoluble disk or member 19 isprovided with a stop shoulder 30 which will engage with the projection31 in the lever 28 when the plate 14 has reached the position shown atthe right of Fig. 2 in which position the further discharge ofthematerial will be prevented.

In order to prevent a too sudden shock by the contact between the stopshoulder 30 and the projection 31 the lever 28 is also provided with a sring finger 32 which normally is separate from the disk 19 but when thelever is moved into a position to separate the two parts 25 and 27 ofthe clutch. mechanism the spring 32 will be brought into frictionalcontact with the-disk and serve to retard the momentum thereof andpermit its shoulder 30 to contact with the projection 31 without shock.

By such a construction as this by a single driving shaft a plurality ofsecondary shafts may be continually driven and by the operation of anyparticular lever the power may be transferred from this driving shaft toany desired revoluble member to effect a recipro cation of the slottedvalve controlling the delivery of any particular hopper, thereciprocation of this plate or valve insuring an effective deliverywhile another advantage of the construction is that should it be desiredto stop the flow of material from a hopper prior to the emptyingthereof, the same movement of the lever that shuts ofi the power fromthe reciprocating mechanism will insure the stoppage of the same at apoint to close the discharge outlet and prevent further deliverytherefrom.

It is believed that from the foregoing description the operation andmany advantages of a device of this kind will be fully apparent.

Having thus described my invention, I claim:

1. In a movable carrier for sand, coal, and

' similar material, the combination with a belt conveyer; of a hopperlocated with its discharge outlet above said conveyer; a slide adaptedto open and close said outlet and provided with openings therein havinginclined walls; and means for reciprocating said slide.

2. In a movable carrier for sand, coal, and similar material, thecombination with a belt conveyer; of a hopper located with its dischargeoutlet above said conveyer; a slide provided with openings therein ofgreater width at the bottom than the top and adapted to open and closesaid outlet; and means for reciprocating said slide.

3. In a movable carrier for sand, coal, aml. similar material, thecombination with a belt conveyer; of a hopper located with its dischargeoutlet above said conveyer; two slotted plates at said discharge outletone fixed and the other slidable, the walls of the slots therein beingso inclined that the material will be cut through by the IGCIPIOCak tionof said slidable plate to ell'ect a deliver and means for reciprocatingsaid slide.

4. In a movable carrier for sand, coal, and similar material, thecombination with a belt conveyer; of a hopper located with its dischargeoutlet above said conveyer; a slide provided with openings thereinadapted to open and close said outlet; means for reciprocating saidslide; and means for effecting a closing of said discharge outlet uponthe stopping ofsaid reciprocating slide.

5. In a movable carrier for sand, coal, and similar material, thecombination with a belt conveyor; of a hopper located with its dischargeoutlet above said conveyer; a reciprocating device for opening andclosing said outlet; means for causing the reciprocation of said device;and mechanism for insuring the stoppage of said reciprocating device inclosed position.

6. In a movable carrier for sand, coal, and

similar material, the combination with a belt i conveyer; of a hopperlocated with its discharge outlet above said conveyer; a reciprocatingdevice for opening and closing said outlet; a revoluble member forcausing the reciprocation of said. device; and a clutch mechanism foroperating said revoluble member.

7. In a movable carrier for sand, coal, and similar material, thecombination with a belt conveyor; of a hopper located with its dischargeoutlet above said conveyer; a reciprocating device for opening andclosing said. outlet; a revoluble member for causing the reciprocationof said device; a clutch mechanism for operating said revoluble member;and a pivoted lever for operating said clutch mechanism provided with adevice secured thereto for creating a friction upon said revolublemember when said clutch is disengaged.

8. In a movable carrier for sand, coal, and similar material, thecon'lbination with a belt conveyer; of a hopper located with its (lischarge outlet above said conveyor; a reciprocating device for openingand closing said outlet; and. a revoluble member provided. with a stopshoulder thereon; and a pivoted lever provided with a projection adaptedto be thrown into position to engage with said shoulder to stop therevolution of said memher.

9. In a movable carrier for sand, coal, and

similar material, the combination with a belt conveyer; of a hopperlocated with its discharge outlet above said conveyer; a reciprocatingdevice for opening and closing said outlet; a revoluble member providedwith a stop shoulder thereon; a clutch mechanism for operating saidrevoluble member; and a pivoted lever for operating said clutchmechanism provided with a device secured thereto for creating a frictionupon said revoluble member when said clutch is disengaged.

, 10. In a movable carrier for sand, coal, and similar material, thecombination with a plurality of belt conveyors; of a plurality ofhoppers located with their discharge outlets above each of said beltconveyers; a reciprocating device for opening and closing each of saiddischarge outlets; mechanism for causing a reciprocation of said device;a driving shaft intermediate said belt conveyers secondary shafts oneither side thereof driven thereby; clutch mechanisms on each end ofeach of said secondary shafts; and means for operating each of saidclutch mechanisms to throw into action one of said reciprocating membersfor controlling the delivery from a hopper.

Signed by me at Boston, this 12th day of July, 1907.

AARON SCHWARTZ.

Massachusetts,

Witnesses:

EDNA C. CLEVELAND, WALTER E. LOMBARD.

